3 Power Electronics Test Instruments Over the years, Chroma ATE has gained extensive knowledge and know-how through participation in the electronics test industry by providing the right solution throughout different phases of product development and fabrication. These test solutions are not limited to power testing and are offered throughout the EV/ PHEV industry. Chroma ATE offers various AC/DC power source and electronic load products with a broad selection of power ratings, ranging from several hundred watts to a few hundred kilowatts, which can be used to test EV/PHEV related components and devices. Utilizing these in conjunction with our versatile automated test system, provides a full range of test solutions for EV/PHEV related applications such as battery storage systems, EVSE charger stations, DC/DC converter units and motor traction drivers. Programmable AC Source Series 0.5kW-18kW/ 1 or 3-phase 150V/300V, 15Hz-1000Hz Parallelable for higher power up tp 180kW Programmable DC Power Supply 62000H Series 5kW-15kW/ V/ 0-375A High power density (15kW in 3U) Easy Master / Slave parallel & series operation up to 150kW Transient Voltage Programming Distorted Waveform Editor Voltage Ramp Function Programmable Voltage Sequence Programmable DC Electronic Load Series 2.6kW-15.6kW/ 0-80V/ V/ A CC, CR, CV, CP load modes Master/Slave paralleling control mode up to 6 units Dynamic loading: Up to 20kHz Each Master/Slave parallel operation up to 93.6kW V V V V Programmable AC Electronic Load Series 1.8kW-4.5kW/ 50V-350V/ Hz V, I, PF, CF, P, Q, S, F, R, Ip+/- & THDv measurement Easy Master/Slave parallel & 3-phase operation up to 67.5kW Constant Current I I Constant Resistance Constant Voltage I Constant Power I Rectified RLC Mode Programmable Crest Factor of Loading Current

4 w w w. c hro m aate. co m High Performance Hardware Devices and Software Architecture Automatic Test System - Chroma 8000 The power conversion section of the EV/HEV is composed of several power electronic units, which include the Relays EVSE (EV Supply Equipment), on-board charger, DC/DC converter, motor driver, etc. The Chroma DC / DC Converter ATS (Automatic Test System) addresses the specialized requirements involved in testing the Navigation power electronics during not only the development phase, but also the production Motor phase. The benefits of our ATS are not limited to the reduction of manpower and prevention of human error; they also include advanced features such as automatic test data recording and creation of statistical analytical reports for later design review or product improvement. There are custom-built systems that are designed specifically for certain power electronic units; however, these systems are usually difficult to maintain and lack flexibility. These shortcomings will definitely impede the product development process as Connector Harness test methodologies evolve. Fuses Charger EVSE Controller/PEU Battery The Chroma 8000 ATS is a standard test platform that solves the conventional problem of self designed ATS s for power electronics testing. It is built on testing technology and experience in the power electronics industry, where Chroma has been a technological leader for over 20 years. Chroma has provided over 1,500 Chroma 8000 ATS's to customers worldwide that are being used in R&D, QA departments and production lines. Our test system is designed to have an open architecture, allowing the user to easily integrate various instruments. The Chroma 8000 ATS includes a wide range of hardware choices such as AC/DC power supplies, Electronic Loads, Power analyzers, Oscilloscopes, Digital multi-meters, as well as various digital/analog I/O cards. This flexibility combined with an open architecture gives the user an adaptable, powerful and cost effective test system for the EV/HEV power electronics. The Chroma 8000 test system includes a sophisticated test executive, which includes pre-written test items. Users may also create new test items by using the test item editor function. This provides the flexibility to expand your test library without limits. The Chroma 8000 ATS s ability to satisfying the test requirements for multiple power electronic units is key to keeping consistency and reducing costs during the transition between R&D and production. The following pictures of the Chroma ATS show some applications for EV/HEV. The system will not only perform the tests and report it to an isolated PC, but it will also network to the shop-floor (MES) system for production line for data log-in, analysis and monitoring. OBC/DC-DC Converter ATS HCU/DC-DC Converter ATS EVSE (AC Level 1, AC Level 2) ATS

5 Software Platform of ATS Chroma 8000 PowerPro III PowerPro III provides users with an open software architecture suited to a wide range of applications and devices. The test item editor is a powerful tool which is similar to C language, but much easier to use. It allows users to define test procedures, test condition variables, test result variables and temporary variables. The test program editor also provides a useful means to link several pre-defined test items for batch testing. PowerPro III includes extended reporting capabilities, statistic and management functions, various test document generation and system administration. The unique report wizard and generator provide the total solution for any documentation requirement. It allows users to integrate different types of presentations, like tabular test data, DSO waveform and correlation charts in M/S WORD format. Users may also edit and store report formats for future use, thus saving time creating test reports. The Statistic function provides off-the-shelf statistical reporting tools. All the test conditions defined in the test program as well as the test readings can be stored and analyzed by the statistic report function. The report and raw data may be printed out or stored in a file. Software Main Screen Test Program Editing Test Item Editor Running GO/NOGO Power Pro III runs under the Windows 2000/XP/7 operating environment, providing the test engineer a dedicated test system with easy access to Windows resources. Customized Test Fixtures The test fixture, a device that interfaces between the ATS and the UUT, is a necessary for EV/HEV power electronics unit testing. Due to the different form factors and various connector types, it is impossible to find an off the shelf test fixture that can fit all testing requirements. The Chroma 8000 ATS support team not only helps to plan and develop the ATS, but they also provide their expertise to tailor a test fixture to the customer s needs. Electrical Safety Test Test Report M/S Word File Customized Test Fixtures Statistic Report Electrical safety test is the most important for electric vehicles as persistent electrical quality is requisite for the drivers that have to drive the cars everyday. For the environment the electric vehicles are in use, the application of electrical safety covers the power system, the charging system, the power wiring, the charging line, the charging connector and the charging station, etc. Standards Isolation resistance Test (ISO , GB/T ) Withstand voltage test (ISO , GB/T ) Continuity test for potential equalization (ISO , GB/T ) Related standards : UL 2202, UL 2251, ECE R100, UL 2580, GB Series Electrical Safety Analyzer - Model Series Combines Hi-Pot, IR, GB, LC/ALC/DLC and Dynamic Function Test Equips the state-of-the-art Open Short Check (OSC) function that can make customers totally worry-free when testing the finished products Electrical Safety Test Scanner - Model Relay control and Module system Supporting WV/IR/GB Test, Function Test Electrical Safety ATS - Model 8900 The safety testing requirements of EV related products, has more standards than the general electricity products in terms of testing items and multi-channel points. Therefore, Chroma 8900, Electricity Safety ATS, has provided an outstanding integrated testing solutions and multi-channel points to the customers. 8900

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